WT – tees

WT420x149.5

Standard: ASTM A6/A6M (désignations métriques)Source: SI values from the AISC v16.0 database (ASTM A6 shapes common to Canada)
ASTM A6 rolled shapes are the same in Canada; the CISC list may differ slightly (availability).
xybf = 399d = 427tf = 29.2tf = 29.2tw = 18.2tw = 18.2
Cross-section, to scaledimensions in mm

Dimensions

Depthd
427mm
Flange widthbf
399mm
Web thicknesstw
18.2mm
Flange thicknesstf
29.2mm
Distance k (design)kdes
49.3mm
Distance k (detailing)kdet
61.9mm

Mass and area

Mass per lengthm
150kg/m
Cross-sectional areaA
19,200mm²

Strong axis x–x

Moment of inertiaIx
30210⁶ mm⁴
Elastic section modulusSx
90910³ mm³
Plastic section modulusZx
1,60010³ mm³
Radius of gyrationrx
126mm

Weak axis y–y

Moment of inertiaIy
15610⁶ mm⁴
Elastic section modulusSy
78010³ mm³
Plastic section modulusZy
1,20010³ mm³
Radius of gyrationry
90.4mm

Torsion and stability

Torsional constantJ
4,33010³ mm⁴
Warping constantCw
22.810⁹ mm⁶
Polar radius (shear center)r̄o
175mm
Flexural constantH
0.784

Centers

Centroidȳ
95.8mm
Plastic neutral axisyp
23.9mm

Slenderness ratios

Flange slendernessbf/2tf
6.85
Wall slendernessD/t
23.5

Equivalents in other standards